Microcontroller PIC16F877A: Could you explain in details this Instruction (BSF),
Microcontroller PIC16F877A: Could you explain in details this Instruction (BSF),
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question
Microcontroller PIC16F877A:
Could you explain in details this Instruction (BSF), Please!
There are tow examples.
(write by keyboard please)
Thank you!
![BSF
Bit Set f
[ label] BSF f,b
Osfs 127
Syntax:
Оperands:
Osbs7
Operation:
1- f<b>
Status Affected:
None
Encoding:
01
Olbb
bfff
ffff
Description:
Bit 'b' in register f is set.
Words:
1
Суycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
Process
Write
register 'f
data
register 'f
Example 1
BSF
FLAG_REG, 7
Before Instruction
FLAG_REG =0X0A
0000 1010
After Instruction
FLAG_REG =0X8A
; 1000 1010
Example 2
BSF
INDF, 3
Before Instruction
w = 0x17
FSR = OXC2
Contents of Address (FSR) = 0x20
After Instruction
w = 0x17
FSR = OXC2
Contents of Address (FSR) = 0x28](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d6f7b0c-001f-4fe5-90f1-f56c850b2d13%2Fd4968f06-9068-4c5c-9925-8a89c10e0a1c%2Ffq1px3c_processed.png&w=3840&q=75)
Transcribed Image Text:BSF
Bit Set f
[ label] BSF f,b
Osfs 127
Syntax:
Оperands:
Osbs7
Operation:
1- f<b>
Status Affected:
None
Encoding:
01
Olbb
bfff
ffff
Description:
Bit 'b' in register f is set.
Words:
1
Суycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
Process
Write
register 'f
data
register 'f
Example 1
BSF
FLAG_REG, 7
Before Instruction
FLAG_REG =0X0A
0000 1010
After Instruction
FLAG_REG =0X8A
; 1000 1010
Example 2
BSF
INDF, 3
Before Instruction
w = 0x17
FSR = OXC2
Contents of Address (FSR) = 0x20
After Instruction
w = 0x17
FSR = OXC2
Contents of Address (FSR) = 0x28
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